How To Fix /SAPAPO/CDPSOPT815 - Backwards scheduling started

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSOPT -

• Message number: 815

• Message text: Backwards scheduling started

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CDPSOPT815 - Backwards scheduling started ?

  The SAP error message /SAPAPO/CDPSOPT815 indicates that backwards scheduling has been initiated for a production order or a planned order in the SAP Advanced Planning and Optimization (APO) module. This message typically arises in the context of production planning and scheduling, particularly when there are constraints or issues that prevent forward scheduling from being executed.
  Cause:
  
  Scheduling Constraints: The system may have identified constraints such as resource availability, capacity issues, or material shortages that prevent forward scheduling.
  Order Settings: The settings for the production order or planned order may be configured to allow only backwards scheduling under certain conditions.
  Master Data Issues: Problems with master data, such as incorrect lead times, production versions, or routing information, can lead to this error.
  Planning Parameters: The planning parameters set in the APO system may favor backwards scheduling due to specific business requirements.
  
  Solution:
  
  Check Resource Availability: Ensure that the resources required for production are available and not overloaded. Adjust the capacity or reschedule other orders if necessary.
  Review Order Settings: Verify the settings of the production or planned order to see if they are configured correctly for forward scheduling.
  Examine Master Data: Check the master data related to the materials, production versions, and routing to ensure that all information is accurate and up-to-date.
  Adjust Planning Parameters: If necessary, review and adjust the planning parameters in the APO system to allow for forward scheduling.
  Run the Planning Run Again: After making the necessary adjustments, run the planning run again to see if the issue is resolved.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/SDP94 (for planning book) or /SAPAPO/CDPS (for detailed scheduling) to analyze the scheduling situation.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Refer to SAP documentation on production planning and scheduling for more detailed information on how to configure and troubleshoot scheduling issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP APO for further assistance.